Finding the Fourth Proportional to 1,892,496.56, 2,838,784.73 and 678,152.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892,496.56 : 2,838,784.73 = 678,152.32 : x
2. Step 2: Convert to fraction form
   1,892,496.56/2,838,784.73 = 678,152.32/x
3. Step 3: Cross multiply
   1,892,496.56x = 2,838,784.73 × 678,152.32
4. Step 4: Simplify right side
   1,892,496.56x = 1,925,128,440,142.35
5. Step 5: Solve for x
   x = 1,925,128,440,142.35/1,892,496.56
6. Step 6: Final answer
   x = 1,017,242.77